[deliverable/binutils-gdb.git] / bfd / mach-o-target.c

/* Mach-O support for BFD.
   Copyright 1999, 2000, 2001, 2002, 2005, 2007, 2008, 2009, 2010
   Free Software Foundation, Inc.

   This file is part of BFD, the Binary File Descriptor library.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software 
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
   MA 02110-1301, USA.  */

/* Define generic entry points here so that we don't need to duplicate the
   defines in every target.  But define once as this file may be included
   several times.  */
#ifndef MACH_O_TARGET_COMMON_DEFINED
#define MACH_O_TARGET_COMMON_DEFINED

#define bfd_mach_o_close_and_cleanup                  _bfd_generic_close_and_cleanup
#define bfd_mach_o_bfd_free_cached_info               _bfd_generic_bfd_free_cached_info
#define bfd_mach_o_new_section_hook                   _bfd_generic_new_section_hook
#define bfd_mach_o_get_section_contents_in_window     _bfd_generic_get_section_contents_in_window
#define bfd_mach_o_bfd_is_target_special_symbol       ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
#define bfd_mach_o_bfd_is_local_label_name            bfd_generic_is_local_label_name
#define bfd_mach_o_get_lineno                         _bfd_nosymbols_get_lineno
#define bfd_mach_o_find_nearest_line                  _bfd_nosymbols_find_nearest_line
#define bfd_mach_o_find_inliner_info                  _bfd_nosymbols_find_inliner_info
#define bfd_mach_o_bfd_make_debug_symbol              _bfd_nosymbols_bfd_make_debug_symbol
#define bfd_mach_o_read_minisymbols                   _bfd_generic_read_minisymbols
#define bfd_mach_o_minisymbol_to_symbol               _bfd_generic_minisymbol_to_symbol
#define bfd_mach_o_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
#define bfd_mach_o_bfd_relax_section                  bfd_generic_relax_section
#define bfd_mach_o_bfd_link_hash_table_create         _bfd_generic_link_hash_table_create
#define bfd_mach_o_bfd_link_hash_table_free           _bfd_generic_link_hash_table_free
#define bfd_mach_o_bfd_link_add_symbols               _bfd_generic_link_add_symbols
#define bfd_mach_o_bfd_link_just_syms                 _bfd_generic_link_just_syms
#define bfd_mach_o_bfd_copy_link_hash_symbol_type \
  _bfd_generic_copy_link_hash_symbol_type
#define bfd_mach_o_bfd_final_link                     _bfd_generic_final_link
#define bfd_mach_o_bfd_link_split_section             _bfd_generic_link_split_section
#define bfd_mach_o_bfd_merge_private_bfd_data         _bfd_generic_bfd_merge_private_bfd_data
#define bfd_mach_o_bfd_set_private_flags              _bfd_generic_bfd_set_private_flags
#define bfd_mach_o_get_section_contents               _bfd_generic_get_section_contents
#define bfd_mach_o_bfd_gc_sections                    bfd_generic_gc_sections
#define bfd_mach_o_bfd_merge_sections                 bfd_generic_merge_sections
#define bfd_mach_o_bfd_is_group_section               bfd_generic_is_group_section
#define bfd_mach_o_bfd_discard_group                  bfd_generic_discard_group
#define bfd_mach_o_section_already_linked             _bfd_generic_section_already_linked
#define bfd_mach_o_bfd_define_common_symbol           bfd_generic_define_common_symbol
#define bfd_mach_o_bfd_copy_private_header_data       _bfd_generic_bfd_copy_private_header_data
#define bfd_mach_o_core_file_matches_executable_p     generic_core_file_matches_executable_p
#define bfd_mach_o_core_file_pid                      _bfd_nocore_core_file_pid

#define bfd_mach_o_get_dynamic_symtab_upper_bound     bfd_mach_o_get_symtab_upper_bound
#define bfd_mach_o_canonicalize_dynamic_symtab	      bfd_mach_o_canonicalize_symtab

#define TARGET_NAME_BACKEND XCONCAT2(TARGET_NAME,_backend)

#endif /* MACH_O_TARGET_COMMON_DEFINED */

#ifndef TARGET_NAME
#error TARGET_NAME must be defined
#endif /* TARGET_NAME */

#ifndef TARGET_STRING
#error TARGET_STRING must be defined
#endif /* TARGET_STRING */

#ifndef TARGET_ARCHITECTURE
#error TARGET_ARCHITECTURE must be defined
#endif /* TARGET_ARCHITECTURE */

#ifndef TARGET_BIG_ENDIAN
#error TARGET_BIG_ENDIAN must be defined
#endif /* TARGET_BIG_ENDIAN */

#ifndef TARGET_ARCHIVE
#error TARGET_ARCHIVE must be defined
#endif /* TARGET_ARCHIVE */

#if ((TARGET_ARCHIVE) && (! TARGET_BIG_ENDIAN))
#error Mach-O fat files must always be big-endian.
#endif /* ((TARGET_ARCHIVE) && (! TARGET_BIG_ENDIAN)) */

static const bfd_mach_o_backend_data TARGET_NAME_BACKEND =
{
  TARGET_ARCHITECTURE,
  bfd_mach_o_swap_reloc_in,
  bfd_mach_o_swap_reloc_out,
  bfd_mach_o_print_thread
};

const bfd_target TARGET_NAME =
{
  TARGET_STRING,		/* Name.  */
  bfd_target_mach_o_flavour,
#if TARGET_BIG_ENDIAN
  BFD_ENDIAN_BIG,		/* Target byte order.  */
  BFD_ENDIAN_BIG,		/* Target headers byte order.  */
#else
  BFD_ENDIAN_LITTLE,		/* Target byte order.  */
  BFD_ENDIAN_LITTLE,		/* Target headers byte order.  */
#endif
  (HAS_RELOC | EXEC_P |		/* Object flags.  */
   HAS_LINENO | HAS_DEBUG |
   HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED),
  (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS
   | SEC_ALLOC | SEC_LOAD | SEC_RELOC),	/* Section flags.  */
  '_',				/* symbol_leading_char.  */
  ' ',				/* ar_pad_char.  */
  16,				/* ar_max_namelen.  */

#if TARGET_BIG_ENDIAN
  bfd_getb64, bfd_getb_signed_64, bfd_putb64,
  bfd_getb32, bfd_getb_signed_32, bfd_putb32,
  bfd_getb16, bfd_getb_signed_16, bfd_putb16,	/* Data.  */
  bfd_getb64, bfd_getb_signed_64, bfd_putb64,
  bfd_getb32, bfd_getb_signed_32, bfd_putb32,
  bfd_getb16, bfd_getb_signed_16, bfd_putb16,	/* Hdrs.  */
#else
  bfd_getl64, bfd_getl_signed_64, bfd_putl64,
  bfd_getl32, bfd_getl_signed_32, bfd_putl32,
  bfd_getl16, bfd_getl_signed_16, bfd_putl16,	/* data */
  bfd_getl64, bfd_getl_signed_64, bfd_putl64,
  bfd_getl32, bfd_getl_signed_32, bfd_putl32,
  bfd_getl16, bfd_getl_signed_16, bfd_putl16,	/* hdrs */
#endif /* TARGET_BIG_ENDIAN */

  {				/* bfd_check_format.  */
#if TARGET_ARCHIVE
    _bfd_dummy_target,
    _bfd_dummy_target,
    bfd_mach_o_archive_p,
    _bfd_dummy_target,
#else
    _bfd_dummy_target,
    bfd_mach_o_object_p,
    bfd_generic_archive_p,
    bfd_mach_o_core_p
#endif
  },
  {				/* bfd_set_format.  */
    bfd_false,
    bfd_mach_o_mkobject,
    _bfd_generic_mkarchive,
    bfd_mach_o_mkobject,
  },
  {				/* bfd_write_contents.  */
    bfd_false,
    bfd_mach_o_write_contents,
    _bfd_write_archive_contents,
    bfd_mach_o_write_contents,
  },

  BFD_JUMP_TABLE_GENERIC (bfd_mach_o),
  BFD_JUMP_TABLE_COPY (bfd_mach_o),
  BFD_JUMP_TABLE_CORE (bfd_mach_o),
#if TARGET_ARCHIVE
  BFD_JUMP_TABLE_ARCHIVE (bfd_mach_o),
#else
  BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd44),
#endif
  BFD_JUMP_TABLE_SYMBOLS (bfd_mach_o),
  BFD_JUMP_TABLE_RELOCS (bfd_mach_o),
  BFD_JUMP_TABLE_WRITE (bfd_mach_o),
  BFD_JUMP_TABLE_LINK (bfd_mach_o),
  BFD_JUMP_TABLE_DYNAMIC (bfd_mach_o),

  /* Alternative endian target.  */
  NULL,

  /* Back-end data.  */
  &TARGET_NAME_BACKEND
};
Commit	Line	Data
	1	/* Mach-O support for BFD.
	2	Copyright 1999, 2000, 2001, 2002, 2005, 2007, 2008, 2009, 2010
	3	Free Software Foundation, Inc.
	4
	5	This file is part of BFD, the Binary File Descriptor library.
	6
	7	This program is free software; you can redistribute it and/or modify
	8	it under the terms of the GNU General Public License as published by
	9	the Free Software Foundation; either version 3 of the License, or
	10	(at your option) any later version.
	11
	12	This program is distributed in the hope that it will be useful,
	13	but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	GNU General Public License for more details.
	16
	17	You should have received a copy of the GNU General Public License
	18	along with this program; if not, write to the Free Software
	19	Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
	20	MA 02110-1301, USA. */
	21
	22	/* Define generic entry points here so that we don't need to duplicate the
	23	defines in every target. But define once as this file may be included
	24	several times. */
	25	#ifndef MACH_O_TARGET_COMMON_DEFINED
	26	#define MACH_O_TARGET_COMMON_DEFINED
	27
	28	#define bfd_mach_o_close_and_cleanup _bfd_generic_close_and_cleanup
	29	#define bfd_mach_o_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
	30	#define bfd_mach_o_new_section_hook _bfd_generic_new_section_hook
	31	#define bfd_mach_o_get_section_contents_in_window _bfd_generic_get_section_contents_in_window
	32	#define bfd_mach_o_bfd_is_target_special_symbol ((bfd_boolean () (bfd , asymbol *)) bfd_false)
	33	#define bfd_mach_o_bfd_is_local_label_name bfd_generic_is_local_label_name
	34	#define bfd_mach_o_get_lineno _bfd_nosymbols_get_lineno
	35	#define bfd_mach_o_find_nearest_line _bfd_nosymbols_find_nearest_line
	36	#define bfd_mach_o_find_inliner_info _bfd_nosymbols_find_inliner_info
	37	#define bfd_mach_o_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
	38	#define bfd_mach_o_read_minisymbols _bfd_generic_read_minisymbols
	39	#define bfd_mach_o_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
	40	#define bfd_mach_o_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
	41	#define bfd_mach_o_bfd_relax_section bfd_generic_relax_section
	42	#define bfd_mach_o_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
	43	#define bfd_mach_o_bfd_link_hash_table_free _bfd_generic_link_hash_table_free
	44	#define bfd_mach_o_bfd_link_add_symbols _bfd_generic_link_add_symbols
	45	#define bfd_mach_o_bfd_link_just_syms _bfd_generic_link_just_syms
	46	#define bfd_mach_o_bfd_copy_link_hash_symbol_type \
	47	_bfd_generic_copy_link_hash_symbol_type
	48	#define bfd_mach_o_bfd_final_link _bfd_generic_final_link
	49	#define bfd_mach_o_bfd_link_split_section _bfd_generic_link_split_section
	50	#define bfd_mach_o_bfd_merge_private_bfd_data _bfd_generic_bfd_merge_private_bfd_data
	51	#define bfd_mach_o_bfd_set_private_flags _bfd_generic_bfd_set_private_flags
	52	#define bfd_mach_o_get_section_contents _bfd_generic_get_section_contents
	53	#define bfd_mach_o_bfd_gc_sections bfd_generic_gc_sections
	54	#define bfd_mach_o_bfd_merge_sections bfd_generic_merge_sections
	55	#define bfd_mach_o_bfd_is_group_section bfd_generic_is_group_section
	56	#define bfd_mach_o_bfd_discard_group bfd_generic_discard_group
	57	#define bfd_mach_o_section_already_linked _bfd_generic_section_already_linked
	58	#define bfd_mach_o_bfd_define_common_symbol bfd_generic_define_common_symbol
	59	#define bfd_mach_o_bfd_copy_private_header_data _bfd_generic_bfd_copy_private_header_data
	60	#define bfd_mach_o_core_file_matches_executable_p generic_core_file_matches_executable_p
	61	#define bfd_mach_o_core_file_pid _bfd_nocore_core_file_pid
	62
	63	#define bfd_mach_o_get_dynamic_symtab_upper_bound bfd_mach_o_get_symtab_upper_bound
	64	#define bfd_mach_o_canonicalize_dynamic_symtab bfd_mach_o_canonicalize_symtab
	65
	66	#define TARGET_NAME_BACKEND XCONCAT2(TARGET_NAME,_backend)
	67
	68	#endif /* MACH_O_TARGET_COMMON_DEFINED */
	69
	70	#ifndef TARGET_NAME
	71	#error TARGET_NAME must be defined
	72	#endif /* TARGET_NAME */
	73
	74	#ifndef TARGET_STRING
	75	#error TARGET_STRING must be defined
	76	#endif /* TARGET_STRING */
	77
	78	#ifndef TARGET_ARCHITECTURE
	79	#error TARGET_ARCHITECTURE must be defined
	80	#endif /* TARGET_ARCHITECTURE */
	81
	82	#ifndef TARGET_BIG_ENDIAN
	83	#error TARGET_BIG_ENDIAN must be defined
	84	#endif /* TARGET_BIG_ENDIAN */
	85
	86	#ifndef TARGET_ARCHIVE
	87	#error TARGET_ARCHIVE must be defined
	88	#endif /* TARGET_ARCHIVE */
	89
	90	#if ((TARGET_ARCHIVE) && (! TARGET_BIG_ENDIAN))
	91	#error Mach-O fat files must always be big-endian.
	92	#endif /* ((TARGET_ARCHIVE) && (! TARGET_BIG_ENDIAN)) */
	93
	94	static const bfd_mach_o_backend_data TARGET_NAME_BACKEND =
	95	{
	96	TARGET_ARCHITECTURE,
	97	bfd_mach_o_swap_reloc_in,
	98	bfd_mach_o_swap_reloc_out,
	99	bfd_mach_o_print_thread
	100	};
	101
	102	const bfd_target TARGET_NAME =
	103	{
	104	TARGET_STRING, /* Name. */
	105	bfd_target_mach_o_flavour,
	106	#if TARGET_BIG_ENDIAN
	107	BFD_ENDIAN_BIG, /* Target byte order. */
	108	BFD_ENDIAN_BIG, /* Target headers byte order. */
	109	#else
	110	BFD_ENDIAN_LITTLE, /* Target byte order. */
	111	BFD_ENDIAN_LITTLE, /* Target headers byte order. */
	112	#endif
	113	(HAS_RELOC \| EXEC_P \| /* Object flags. */
	114	HAS_LINENO \| HAS_DEBUG \|
	115	HAS_SYMS \| HAS_LOCALS \| DYNAMIC \| WP_TEXT \| D_PAGED),
	116	(SEC_CODE \| SEC_DATA \| SEC_ROM \| SEC_HAS_CONTENTS
	117	\| SEC_ALLOC \| SEC_LOAD \| SEC_RELOC), /* Section flags. */
	118	'_', /* symbol_leading_char. */
	119	' ', /* ar_pad_char. */
	120	16, /* ar_max_namelen. */
	121
	122	#if TARGET_BIG_ENDIAN
	123	bfd_getb64, bfd_getb_signed_64, bfd_putb64,
	124	bfd_getb32, bfd_getb_signed_32, bfd_putb32,
	125	bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Data. */
	126	bfd_getb64, bfd_getb_signed_64, bfd_putb64,
	127	bfd_getb32, bfd_getb_signed_32, bfd_putb32,
	128	bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Hdrs. */
	129	#else
	130	bfd_getl64, bfd_getl_signed_64, bfd_putl64,
	131	bfd_getl32, bfd_getl_signed_32, bfd_putl32,
	132	bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
	133	bfd_getl64, bfd_getl_signed_64, bfd_putl64,
	134	bfd_getl32, bfd_getl_signed_32, bfd_putl32,
	135	bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
	136	#endif /* TARGET_BIG_ENDIAN */
	137
	138	{ /* bfd_check_format. */
	139	#if TARGET_ARCHIVE
	140	_bfd_dummy_target,
	141	_bfd_dummy_target,
	142	bfd_mach_o_archive_p,
	143	_bfd_dummy_target,
	144	#else
	145	_bfd_dummy_target,
	146	bfd_mach_o_object_p,
	147	bfd_generic_archive_p,
	148	bfd_mach_o_core_p
	149	#endif
	150	},
	151	{ /* bfd_set_format. */
	152	bfd_false,
	153	bfd_mach_o_mkobject,
	154	_bfd_generic_mkarchive,
	155	bfd_mach_o_mkobject,
	156	},
	157	{ /* bfd_write_contents. */
	158	bfd_false,
	159	bfd_mach_o_write_contents,
	160	_bfd_write_archive_contents,
	161	bfd_mach_o_write_contents,
	162	},
	163
	164	BFD_JUMP_TABLE_GENERIC (bfd_mach_o),
	165	BFD_JUMP_TABLE_COPY (bfd_mach_o),
	166	BFD_JUMP_TABLE_CORE (bfd_mach_o),
	167	#if TARGET_ARCHIVE
	168	BFD_JUMP_TABLE_ARCHIVE (bfd_mach_o),
	169	#else
	170	BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd44),
	171	#endif
	172	BFD_JUMP_TABLE_SYMBOLS (bfd_mach_o),
	173	BFD_JUMP_TABLE_RELOCS (bfd_mach_o),
	174	BFD_JUMP_TABLE_WRITE (bfd_mach_o),
	175	BFD_JUMP_TABLE_LINK (bfd_mach_o),
	176	BFD_JUMP_TABLE_DYNAMIC (bfd_mach_o),
	177
	178	/* Alternative endian target. */
	179	NULL,
	180
	181	/* Back-end data. */
	182	&TARGET_NAME_BACKEND
	183	};
	184